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  #21  
Old April 2nd, 2011, 03:37 AM
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Tony Sims
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Quote:
Originally Posted by kevkon View Post

These work great. Duck tape about 4 of them together and put them under the gas pedal...
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  #22  
Old April 2nd, 2011, 08:20 AM
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And to stop ;
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  #23  
Old April 2nd, 2011, 10:52 AM
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Bill Ski
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I suddenly feel much better about the mpg on my RRC at 12 - 16 mpg
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  #24  
Old April 2nd, 2011, 11:01 AM
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Jay Hobbs
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I got 14mpg average in my 95 with the 3.9. Winter times maybe 13mpg but had several times in the warmer months in the 15mpg range.
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  #25  
Old April 2nd, 2011, 12:05 PM
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Mike
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During 12+ hour drives to HHI and Des Moines I got 16+ MPG with and without A/C in my 95 D90 with a 3.9L, K&N, and a stove pipe.

Just some thoughts: How old are the plugs/wires? Tire pressure? Air filter?

Good luck...

Cheers...
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  #26  
Old April 2nd, 2011, 02:33 PM
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Jake K.
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That was my thought too! When was the last time you did a full service? Fluids,filters,plugs...? I would try those before you get carried away with replacing parts that you don't need to. If you can't remember, then it's been too long! Start with the easiest and go backwards...it always seems to be cheaper that way.
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  #27  
Old April 2nd, 2011, 04:20 PM
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Baird M. Gehring
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filters, plugs, fluids have all been recently replaced. I guess the next step is the 02 sensors.
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  #28  
Old April 2nd, 2011, 07:00 PM
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Clark Bowen
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What tire size, air pressure and gears are you running? Block tread, all-terrain, slicks?

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  #29  
Old April 2nd, 2011, 07:17 PM
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Jason England
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Quote:
Originally Posted by Gren_T View Post
8.5 MPG holy S*!t on my 3.5ltr running 235x85x16 i got 17MPG around town & 21mpg on a run at 60ish
I now get 24-26mpg on a 300tdi with zfhp22 over the same journey.

It may be worth seeing if you can get the ECU tweeked after the sensors have been proved.

regards all

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  #30  
Old April 2nd, 2011, 09:57 PM
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Carl Jonsson
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I've kept track of every fill up in the last the last 3 years. I have a lead foot and I run bio most of the time which also decreases the mpg slightly.

Min: 19.4 mpg
Max 27.69 mpg
Average: 23.68 mpg

Biodiesel is very solvent. If you need a diesel flush, run a tank of B99. According to tests, B20 outperforms all additives on the market.
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  #31  
Old April 2nd, 2011, 11:48 PM
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Baird M. Gehring
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Quote:
Originally Posted by cdb View Post
What tire size, air pressure and gears are you running? Block tread, all-terrain, slicks?

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265/75/16 bf goodrich all terrain I think 32psi in front & 35psi in rear whatever it says on the sticker.
as for gears? I don't know, it's a '97 auto and I haven't changed anything gear-wise so I guess whatever they come with stock.
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  #32  
Old April 3rd, 2011, 09:16 AM
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Dana Hammersley
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Yeah there has to be something wrong. When I moved from Florida to Pa. I had the Back full of stuff plus towed a small single axle trailer full of stuff probably a 1000Lbs with 285-75-16"s and got 15 mpg. Grant I drafted everyone one I could, Lol
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  #33  
Old April 3rd, 2011, 09:31 AM
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Gustavo
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Originally Posted by Hammertime View Post
Yeah there has to be something wrong. When I moved from Florida to Pa. I had the Back full of stuff plus towed a small single axle trailer full of stuff probably a 1000Lbs with 285-75-16"s and got 15 mpg. Grant I drafted everyone one I could, Lol

In the 18 wheeler does not count
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  #34  
Old April 3rd, 2011, 09:55 AM
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Paul Koentges
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agreed something wrong, however, I have always heard that the sticks get better mpg than auto's (depending how you drive)

'95 D-90, lifted, 3 link, heavy accessories, lights, winch, A/C, etc...stock 3.54 R & P

-with 265's BFG AT 13-16 , mostly Colorado Mtns. highway-never more than 16 driving 70-80 long distance (yes I drive that fast). Also noticed better mpg with hardtop installed; dropped 2-3 mpg with roof rack, even empty.

-with 285's BFG KM2 MT's dropped to 10-13; I think alot has to do with the 3.54 gearing as 4th & 5th (pulling up passes & flats) aren't spaced correctly for CO.

there is about 3.73% distance/speedo difference between the two or about 1/2 mpg to add back to the 285's. ...not much difference in these two tire sizes (online calculator)

curious how mine will change when I finish installing 4:14's, gearing will be much better...don't expect alot of mpg change but the gear spacing will be correct...
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  #35  
Old April 3rd, 2011, 07:13 PM
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Dana Hammersley
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Quote:
Originally Posted by PMKColorado View Post
agreed something wrong, however, I have always heard that the sticks get better mpg than auto's (depending how you drive)

'95 D-90, lifted, 3 link, heavy accessories, lights, winch, A/C, etc...stock 3.54 R & P

-with 265's BFG AT 13-16 , mostly Colorado Mtns. highway-never more than 16 driving 70-80 long distance (yes I drive that fast). Also noticed better mpg with hardtop installed; dropped 2-3 mpg with roof rack, even empty.

-with 285's BFG KM2 MT's dropped to 10-13; I think alot has to do with the 3.54 gearing as 4th & 5th (pulling up passes & flats) aren't spaced correctly for CO.

there is about 3.73% distance/speedo difference between the two or about 1/2 mpg to add back to the 285's. ...not much difference in these two tire sizes (online calculator)

curious how mine will change when I finish installing 4:14's, gearing will be much better...don't expect alot of mpg change but the gear spacing will be correct...
I ended up putting 4:11's in mine made it alot more driveable. It use to dog out on a long steady grade unless I kept the rpm's above 2700. now with the lower gears the rpms are always right around 2700-2800 at 70 or so. Use to always be pushing the gas pedal down, Now I am lighter on the throttle and goes just as well.
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  #36  
Old April 8th, 2011, 11:23 AM
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Baird M. Gehring
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Replacing the two front oxygen sensors this weekend. Do I have to use that special oxygen sensor wrench or can I manage with an open end wrench or something of the like? This is the link to the one I'm talking about: http://www.roverparts.com/Parts/W17.cfm
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  #37  
Old April 8th, 2011, 01:10 PM
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Matthew
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The specialized tools like the one you listed are much better than an open end wrench, they grab the sensor like flare wrench and will not strip it.

You can pick one up at any autoparts chain store for 5-20 bucks
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  #38  
Old April 8th, 2011, 01:48 PM
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Steve Bartley
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For Sale: Ocean front property in Arizona

Combine this and that stupid Cyclone and I bet Id be getting 30mpg!

Ha, what a joke.




Quote:
Originally Posted by kevkon View Post
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  #39  
Old April 8th, 2011, 07:30 PM
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Baird M. Gehring
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Smile

thanks but actually an 11/16 open end wrench did the job just fine, of course I soaked 'em in Blaster a couple hours before I did the job. They just came right out! Now I'll just have to fill up and reset my tripometer and see if that did the trick!
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  #40  
Old April 10th, 2011, 03:23 AM
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Mike Hammond
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Quote:
Originally Posted by kevkon View Post
Bound to work, the people on the testimonial said it did... and fuel is just sooooooo magnetic, Surely thats why we have plastic fuel cans, otherwise it wouldn't pour out a steel one, it would just stick.
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